ec.c File Reference

#include <console/console.h>
#include <device/device.h>
#include <arch/io.h>
#include <delay.h>
#include <stdint.h>
#include "ec.h"

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Functions
int	send_ec_command (u8 command)
int	send_ec_data (u8 data)
int	send_ec_data_nowait (u8 data)
u8	recv_ec_data (void)
void	ec_clear_out_queue (void)
u8	ec_read (u8 addr)
int	ec_write (u8 addr, u8 data)
u8	ec_status (void)
u8	ec_query (void)
void	ec_set_bit (u8 addr, u8 bit)
void	ec_clr_bit (u8 addr, u8 bit)
void	ec_set_ports (u16 cmd_reg, u16 data_reg)

Variables
static u16	ec_cmd_reg = EC_SC
static u16	ec_data_reg = EC_DATA

Function Documentation

ec_clear_out_queue()

void ec_clear_out_queue

(

void

)

Definition at line 92 of file ec.c.

References BIOS_ERR, BIOS_SPEW, ec_cmd_reg, ec_data_reg, EC_OBF, inb(), printk, and udelay().

Referenced by mainboard_smi_apmc().

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ec_clr_bit()

void ec_clr_bit	(	u8	addr,
		u8	bit
	)

Definition at line 138 of file ec.c.

References addr, ec_read(), and ec_write().

Referenced by dock_disconnect(), f1_to_f12_as_primary(), h8_bluetooth_enable(), h8_charge_priority(), h8_disable_event(), h8_fn_ctrl_swap(), h8_set_audio_mute(), h8_sticky_fn(), h8_usb_power_enable(), h8_uwb_enable(), h8_wlan_enable(), h8_wwan_enable(), mainboard_init(), mainboard_io_trap_handler(), and mainboard_smi_handle_ec_sci().

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ec_query()

u8 ec_query

(

void

)

Definition at line 127 of file ec.c.

References recv_ec_data(), and send_ec_command().

Referenced by mainboard_smi_handle_ec_sci().

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ec_read()

u8 ec_read

(

u8

addr

)

Definition at line 107 of file ec.c.

References addr, recv_ec_data(), send_ec_command(), and send_ec_data().

Referenced by configure_ec_gpio(), early_ec_init(), ec_clr_bit(), ec_enable_devices(), ec_get_version(), ec_init(), ec_it8518_enable_wake_events(), ec_running(), ec_set_bit(), enable_rf_by_capability(), get_lid_switch(), h8_build_id_and_function_spec_version(), h8_get_fn_key(), h8_get_sense_ready(), h8_log_ec_version(), h8_ultrabay_device_present(), h8_usb_always_on_enable(), mainboard_io_trap_handler(), mainboard_smi_hotkey(), mainboard_smi_save_cmos(), mainboard_smi_sleep(), stout_ec_finalize_smm(), and stout_ec_init().

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ec_set_bit()

void ec_set_bit	(	u8	addr,
		u8	bit
	)

Definition at line 133 of file ec.c.

References addr, ec_read(), and ec_write().

Referenced by bootblock_mainboard_early_init(), dock_connect(), f1_to_f12_as_primary(), h8_bluetooth_enable(), h8_charge_priority(), h8_enable_event(), h8_fn_ctrl_swap(), h8_set_audio_mute(), h8_sticky_fn(), h8_usb_power_enable(), h8_uwb_enable(), h8_wlan_enable(), h8_wwan_enable(), mainboard_final(), mainboard_init(), mainboard_io_trap_handler(), and mainboard_smi_handle_ec_sci().

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ec_set_ports()

void ec_set_ports	(	u16	cmd_reg,
		u16	data_reg
	)

Definition at line 143 of file ec.c.

References ec_cmd_reg, ec_data_reg, and ENV_STAGE_HAS_DATA_SECTION.

Referenced by chausie_ec_init(), mainboard_smi_apmc(), mainboard_smi_gpi(), and wilco_ec_init().

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ec_status()

u8 ec_status

(

void

)

Definition at line 122 of file ec.c.

References ec_cmd_reg, and inb().

Referenced by ec_running(), and it8518_init().

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ec_write()

int ec_write	(	u8	addr,
		u8	data
	)

Definition at line 115 of file ec.c.

References addr, send_ec_command(), and send_ec_data().

Referenced by configure_ec_gpio(), dock_connect(), dock_disconnect(), ec_clr_bit(), ec_enable(), ec_enable_devices(), ec_it8518_enable_wake_events(), ec_set_bit(), ec_setup(), enable_rf_by_capability(), h8_panic(), h8_trackpoint_enable(), h8_usb_always_on_enable(), handle_acpi_osys(), lumpy_ec_init(), m3885_gpio(), mainboard_enable(), mainboard_init(), mainboard_io_trap_handler(), mainboard_smi_apmc(), mainboard_smi_handle_ec_sci(), mainboard_smi_hotkey(), mainboard_smi_sleep(), merlin_init(), stout_ec_init(), and wilco_ec_init().

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recv_ec_data()

u8 recv_ec_data

(

void

)

Definition at line 65 of file ec.c.

References BIOS_DEBUG, BIOS_SPEW, ec_cmd_reg, ec_data_reg, EC_OBF, inb(), printk, and udelay().

Referenced by board_id(), ec_cmd_90_read(), ec_cmd_94_query(), ec_query(), ec_read(), ec_send_time(), get_board_id(), and get_ec_boardinfo().

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send_ec_command()

int send_ec_command

(

u8

command

)

Definition at line 13 of file ec.c.

References BIOS_DEBUG, BIOS_SPEW, ec_cmd_reg, EC_IBF, inb(), outb(), printk, and udelay().

Referenced by board_id(), ec_cmd_90_read(), ec_cmd_91_write(), ec_cmd_94_query(), ec_query(), ec_read(), ec_send_time(), ec_setup(), ec_write(), get_board_id(), get_ec_boardinfo(), it8516e_set_fan_limits(), it8516e_set_fan_mode(), it8516e_set_fan_pwm(), it8516e_set_fan_speed(), it8516e_set_fan_temperature(), it8516e_set_systemp_type(), it8518_init(), lumpy_ec_init(), mainboard_smi_apmc(), mainboard_smi_gpi(), mainboard_suspend_resume(), and read_ec_command_byte().

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send_ec_data()

int send_ec_data

(

u8

data

)

Definition at line 35 of file ec.c.

References BIOS_DEBUG, BIOS_SPEW, ec_cmd_reg, ec_data_reg, EC_IBF, inb(), outb(), printk, and udelay().

Referenced by ec_cmd_90_read(), ec_cmd_91_write(), ec_read(), ec_send_time(), ec_write(), it8516e_set_fan_limits(), it8516e_set_fan_mode(), it8516e_set_fan_pwm(), it8516e_set_fan_speed(), it8516e_set_fan_temperature(), it8516e_set_systemp_type(), it8518_init(), and mainboard_smi_apmc().

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send_ec_data_nowait()

int send_ec_data_nowait

(

u8

data

)

Definition at line 58 of file ec.c.

References ec_data_reg, and outb().

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Variable Documentation

ec_cmd_reg

u16 ec_cmd_reg = EC_SC

static

Definition at line 10 of file ec.c.

Referenced by ec_clear_out_queue(), ec_set_ports(), ec_status(), recv_ec_data(), send_ec_command(), and send_ec_data().

ec_data_reg

u16 ec_data_reg = EC_DATA

static

Definition at line 11 of file ec.c.

Referenced by ec_clear_out_queue(), ec_set_ports(), recv_ec_data(), send_ec_data(), and send_ec_data_nowait().